The degree or intensity of heat present and how we measure heat is called:

Ans: the degree or intensity of heat present in a substance or object, especially as expressed according to a comparative scale and shown by a thermometer or perceived by touch. Thermal energy is the internal energy of an object due to the kinetic energy of its atoms and/or molecules.

A1 a 2 a 3 ooh lol i think that's it

Ibelieve its because the stove is a cleaner burning fuel